<?php

    /**
     * PHPExcel_Worksheet_Drawing
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel_Worksheet_Drawing
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Worksheet_Drawing extends PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable {
        /**
         * Path
         * @var string
         */
        private $path;

        /**
         * Create a new PHPExcel_Worksheet_Drawing
         */
        public function __construct() {
            // Initialise values
            $this->path = '';
            // Initialize parent
            parent::__construct();
        }

        /**
         * Get indexed filename (using image index)
         * @return string
         */
        public function getIndexedFilename() {
            $fileName = $this->getFilename();
            $fileName = str_replace(' ', '_', $fileName);
            return str_replace('.' . $this->getExtension(), '', $fileName) . $this->getImageIndex() . '.' . $this->getExtension();
        }

        /**
         * Get Filename
         * @return string
         */
        public function getFilename() {
            return basename($this->path);
        }

        /**
         * Get Extension
         * @return string
         */
        public function getExtension() {
            $exploded = explode(".", basename($this->path));
            return $exploded[count($exploded) - 1];
        }

        /**
         * Get Path
         * @return string
         */
        public function getPath() {
            return $this->path;
        }

        /**
         * Set Path
         * @param     string  $pValue      File path
         * @param     boolean $pVerifyFile Verify file
         * @throws     PHPExcel_Exception
         * @return PHPExcel_Worksheet_Drawing
         */
        public function setPath($pValue = '', $pVerifyFile = true) {
            if ($pVerifyFile) {
                if (file_exists($pValue)) {
                    $this->path = $pValue;
                    if ($this->width == 0 && $this->height == 0) {
                        // Get width/height
                        list($this->width, $this->height) = getimagesize($pValue);
                    }
                } else {
                    throw new PHPExcel_Exception("File $pValue not found!");
                }
            } else {
                $this->path = $pValue;
            }
            return $this;
        }

        /**
         * Get hash code
         * @return string    Hash code
         */
        public function getHashCode() {
            return md5($this->path . parent::getHashCode() . __CLASS__
            );
        }

        /**
         * Implement PHP __clone to create a deep clone, not just a shallow copy.
         */
        public function __clone() {
            $vars = get_object_vars($this);
            foreach ($vars as $key => $value) {
                if (is_object($value)) {
                    $this->$key = clone $value;
                } else {
                    $this->$key = $value;
                }
            }
        }
    }
